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Title:
CONTROL DEVICE, COMPRESSOR, ELECTRIC COMPRESSOR, BELT-DRIVEN COMPRESSOR, VEHICLE AIR CONDITIONER, AND CONTROL METHOD
Document Type and Number:
WIPO Patent Application WO/2019/187526
Kind Code:
A1
Abstract:
Provided is a control device that performs protection control of a compressor without malfunction. The control device activates protection control on a compressor that has a refrigerant circuit on the basis of a pressure value detected by a pressure sensor that is installed at a low-pressure side of the refrigerant circuit and a change over time of the pressure value.

Inventors:
FUJITA KATSUHIRO (JP)
YAMAMOTO TAKAHIDE (JP)
UKAI TETSUZOU (JP)
Application Number:
PCT/JP2019/001442
Publication Date:
October 03, 2019
Filing Date:
January 18, 2019
Export Citation:
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Assignee:
MITSUBISHI HEAVY IND THERMAL SYSTEMS LTD (JP)
International Classes:
F25B1/00; B60H1/32; F04B49/10
Domestic Patent References:
WO2007086257A12007-08-02
WO2018100712A12018-06-07
Foreign References:
JPS5375555A1978-07-05
JP2001280718A2001-10-10
JPH0270168U1990-05-28
JPH04225771A1992-08-14
JP2015129600A2015-07-16
JP2003274552A2003-09-26
JPH0421739U1992-02-24
US20090071175A12009-03-19
JP2007092636A2007-04-12
JP2014196805A2014-10-16
JPH04116350A1992-04-16
JPS49121245A1974-11-20
JPH0518617A1993-01-26
JPH09130964A1997-05-16
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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